LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Mark Brown <broonie@kernel.org>
To: Douglas Anderson <dianders@chromium.org>
Cc: Benson Leung <bleung@chromium.org>,
	Enric Balletbo i Serra <enric.balletbo@collabora.com>,
	linux-rockchip@lists.infradead.org, drinkcat@chromium.org,
	Guenter Roeck <groeck@chromium.org>,
	briannorris@chromium.org, mka@chromium.org,
	linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org
Subject: Re: [PATCH v4 2/3] spi: Allow SPI devices to request the pumping thread be realtime
Date: Thu, 23 May 2019 14:46:25 +0100	[thread overview]
Message-ID: <20190523134625.GG17245@sirena.org.uk> (raw)
In-Reply-To: <20190515164814.258898-3-dianders@chromium.org>

[-- Attachment #1: Type: text/plain, Size: 1187 bytes --]

On Wed, May 15, 2019 at 09:48:12AM -0700, Douglas Anderson wrote:
> Right now the only way to get the SPI pumping thread bumped up to
> realtime priority is for the controller to request it.  However it may
> be that the controller works fine with the normal priority but
> communication to a particular SPI device on the bus needs realtime
> priority.

The following changes since commit a188339ca5a396acc588e5851ed7e19f66b0ebd9:

  Linux 5.2-rc1 (2019-05-19 15:47:09 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git tags/spi-rt-pump

for you to fetch changes up to 924b5867e7bd6a6a98014f0517b747465b108011:

  spi: Allow SPI devices to request the pumping thread be realtime (2019-05-23 14:44:02 +0100)

----------------------------------------------------------------
spi: Allow setting pump to RT priority

----------------------------------------------------------------
Douglas Anderson (1):
      spi: Allow SPI devices to request the pumping thread be realtime

 drivers/spi/spi.c       | 36 ++++++++++++++++++++++++++++++------
 include/linux/spi/spi.h |  2 ++
 2 files changed, 32 insertions(+), 6 deletions(-)

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

  parent reply	other threads:[~2019-05-23 13:46 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-15 16:48 [PATCH v4 0/3] spi: A better solution for cros_ec_spi reliability Douglas Anderson
2019-05-15 16:48 ` [PATCH v4 1/3] platform/chrome: cros_ec_spi: Move to real time priority for transfers Douglas Anderson
2019-05-15 17:02   ` Guenter Roeck
2019-05-21  7:52     ` Enric Balletbo i Serra
2019-05-15 16:48 ` [PATCH v4 2/3] spi: Allow SPI devices to request the pumping thread be realtime Douglas Anderson
2019-05-21  7:49   ` Enric Balletbo i Serra
2019-05-23 13:46   ` Mark Brown [this message]
2019-05-23 13:49   ` Applied "spi: Allow SPI devices to request the pumping thread be realtime" to the spi tree Mark Brown
2019-05-15 16:48 ` [PATCH v4 3/3] platform/chrome: cros_ec_spi: Request the SPI thread be realtime Douglas Anderson
2019-05-21  7:50   ` Enric Balletbo i Serra
2019-05-24 10:26   ` Enric Balletbo i Serra

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190523134625.GG17245@sirena.org.uk \
    --to=broonie@kernel.org \
    --cc=bleung@chromium.org \
    --cc=briannorris@chromium.org \
    --cc=dianders@chromium.org \
    --cc=drinkcat@chromium.org \
    --cc=enric.balletbo@collabora.com \
    --cc=groeck@chromium.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rockchip@lists.infradead.org \
    --cc=linux-spi@vger.kernel.org \
    --cc=mka@chromium.org \
    --subject='Re: [PATCH v4 2/3] spi: Allow SPI devices to request the pumping thread be realtime' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).